1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef _LIBCPP___TYPE_TRAITS_IS_FLOATING_POINT_H 10 #define _LIBCPP___TYPE_TRAITS_IS_FLOATING_POINT_H 11 12 #include <__config> 13 #include <__type_traits/integral_constant.h> 14 #include <__type_traits/remove_cv.h> 15 16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 17 # pragma GCC system_header 18 #endif 19 20 _LIBCPP_BEGIN_NAMESPACE_STD 21 22 template <class _Tp> struct __libcpp_is_floating_point : public false_type {}; 23 template <> struct __libcpp_is_floating_point<float> : public true_type {}; 24 template <> struct __libcpp_is_floating_point<double> : public true_type {}; 25 template <> struct __libcpp_is_floating_point<long double> : public true_type {}; 26 27 template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_floating_point 28 : public __libcpp_is_floating_point<typename remove_cv<_Tp>::type> {}; 29 30 #if _LIBCPP_STD_VER > 14 31 template <class _Tp> 32 inline constexpr bool is_floating_point_v = is_floating_point<_Tp>::value; 33 #endif 34 35 _LIBCPP_END_NAMESPACE_STD 36 37 #endif // _LIBCPP___TYPE_TRAITS_IS_FLOATING_POINT_H 38